Question

3991
38. The ang
3. Prove that cos sin -
cos(90° - 0) cos(90° - 0) cos sin (90° - 0) sin(90° - 9) sin o
+ sec (90° - ) =
sec (90° -0)
cosec (90° - 0)
angle of
(Use /
39. Two de
sing
​

Answer 1

Answer:

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